The HPRS-U-4-N from Amphenol Procom is a Multicoupler with Frequency 690 MHz to 2.7 GHz, Gain 5 dB, Isolation 17 to 25 dB, Noise Figure 3.5 dB, Noise Figure (Amplifier) 2.5 dB. Tags: Module with Connector. More details for HPRS-U-4-N can be seen below.